package destr.jogl.main;

import java.io.IOException;

import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.GLAutoDrawable;

import destr.jogl.buffer.GLTexture;
import destr.jogl.game2d.Game2DCanvas;

public class GLTextureTest extends Game2DCanvas {
	private static final long serialVersionUID = 8150675879674601735L;
	private GLTexture texture;
	
	public GLTextureTest(int width, int height) {
		super(width, height);
	}
	
	@Override
	public void init(GLAutoDrawable drawable){
		super.init(drawable);
		try {
			texture = GLTexture.loadClassPath(drawable.getGL(), "/jogl/util/data/av/test-ntsc01-160x90.png");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	@Override
	public void display(GLAutoDrawable drawable) {
	}
	
	@Override
	public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
		super.reshape(drawable, x, y, width, height);
		
		GL gl = drawable.getGL();
		GL2 gl2 = gl.getGL2();
		gl2.glClear(GL2.GL_COLOR_BUFFER_BIT);
	    gl2.glLoadIdentity();
	    gl2.glTranslatef(-1f, 1f, 0);
		gl2.glScalef(2.0f, -2.0f, 0f);
		
		if(texture != null) texture.bind(gl2);
		gl2.glBegin(GL2.GL_QUADS);
	    	gl2.glTexCoord2f(0, 0);
	    	gl2.glVertex3f(0.0f, 0.0f, 0.0f);
	    	
	    	gl2.glTexCoord2f(1, 0);
	    	gl2.glVertex3f(1.0f, 0.0f, 0.0f);
	    	
	    	gl2.glTexCoord2f(1, 1);
	    	gl2.glVertex3f(1.0f, 1.0f, 0.0f);
	    	
	    	gl2.glTexCoord2f(0, 1);
	    	gl2.glVertex3f(0.0f, 1.0f, 0.0f);
    	gl2.glEnd();
	}

}